{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:2YONC357W5ADMFKF757VZSXF6B","short_pith_number":"pith:2YONC357","canonical_record":{"source":{"id":"2608.05587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-08-06T04:17:27Z","cross_cats_sorted":[],"title_canon_sha256":"15c2088dc82d4a1d220bafddc58af05f890a6f57763337b20c842768c976b8b9","abstract_canon_sha256":"6795272acf68c87a6d8832b37733286533615ba0fa83e43deddbb0b897283bc4"},"schema_version":"1.0"},"canonical_sha256":"d61cd16fbfb740361545ff7f5ccae5f052613c4e88ec8bbfd39c0e404afcf368","source":{"kind":"arxiv","id":"2608.05587","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.05587","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"arxiv_version","alias_value":"2608.05587v1","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.05587","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_12","alias_value":"2YONC357W5AD","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_16","alias_value":"2YONC357W5ADMFKF","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_8","alias_value":"2YONC357","created_at":"2026-08-07T00:50:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:2YONC357W5ADMFKF757VZSXF6B","target":"record","payload":{"canonical_record":{"source":{"id":"2608.05587","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-08-06T04:17:27Z","cross_cats_sorted":[],"title_canon_sha256":"15c2088dc82d4a1d220bafddc58af05f890a6f57763337b20c842768c976b8b9","abstract_canon_sha256":"6795272acf68c87a6d8832b37733286533615ba0fa83e43deddbb0b897283bc4"},"schema_version":"1.0"},"canonical_sha256":"d61cd16fbfb740361545ff7f5ccae5f052613c4e88ec8bbfd39c0e404afcf368","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-07T00:50:09.730430Z","signature_b64":"oMKxd+mjt4bfBrH7dWcelEEhLSfr/snjB7bDVy4J0e8tB3xkBCu7XFjRGZwmvt0P4JvsAMdzyDpwSrSfLVZOAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d61cd16fbfb740361545ff7f5ccae5f052613c4e88ec8bbfd39c0e404afcf368","last_reissued_at":"2026-08-07T00:50:09.728919Z","signature_status":"signed_v1","first_computed_at":"2026-08-07T00:50:09.728919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.05587","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-07T00:50:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JuISBYRiZRzit9CRx80/RbTwf130/qBp9PlFaRB/muyvdZJJFuccBTnqW7w9kKK3F8X9I2nGV2mYpQ5kVYapBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:58:13.230011Z"},"content_sha256":"3b0cc4f9a2e9ef11fe0e91c587a1a8097fd21a55f7bcd84614428e2220d5f01a","schema_version":"1.0","event_id":"sha256:3b0cc4f9a2e9ef11fe0e91c587a1a8097fd21a55f7bcd84614428e2220d5f01a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:2YONC357W5ADMFKF757VZSXF6B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"StepReflect: Structured UI Transition Reflection for Mobile GUI Agents","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Li Gu, Linqiang Guo, Tse-Hsun (Peter) Chen, Wei Liu, Yang Wang","submitted_at":"2026-08-06T04:17:27Z","abstract_excerpt":"Autonomous mobile GUI agents require accurate action reflection for reliable long-horizon execution. Existing approaches rely on open-ended multimodal reasoning after each action, which is costly and poorly matched to the structured nature of GUI state transitions. We propose StepReflect, which formulates per-step GUI reflection as supervised structured prediction conditioned on explicit transition specifications and paired visual evidence. StepReflect is trained through a staged pipeline combining supervised fine-tuning, teacher-student distillation, and preference- and reward-based refinemen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.05587","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.05587/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-08-07T00:50:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1A2RCwVUVSSodFaNQarzjnOdygX5ogCWDNvgCmKbTZNblx9uvsNXuxlVZqhxpBv+3ZkTNvE8pp+W7ii7T0AVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:58:13.239597Z"},"content_sha256":"3517e531d6aa231a887c6e3fc3f967d1fe9141a388ad0b6ae1961a058e054844","schema_version":"1.0","event_id":"sha256:3517e531d6aa231a887c6e3fc3f967d1fe9141a388ad0b6ae1961a058e054844"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2YONC357W5ADMFKF757VZSXF6B/bundle.json","state_url":"https://pith.science/pith/2YONC357W5ADMFKF757VZSXF6B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2YONC357W5ADMFKF757VZSXF6B/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-14T17:58:13Z","links":{"resolver":"https://pith.science/pith/2YONC357W5ADMFKF757VZSXF6B","bundle":"https://pith.science/pith/2YONC357W5ADMFKF757VZSXF6B/bundle.json","state":"https://pith.science/pith/2YONC357W5ADMFKF757VZSXF6B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2YONC357W5ADMFKF757VZSXF6B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2YONC357W5ADMFKF757VZSXF6B","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"6795272acf68c87a6d8832b37733286533615ba0fa83e43deddbb0b897283bc4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-08-06T04:17:27Z","title_canon_sha256":"15c2088dc82d4a1d220bafddc58af05f890a6f57763337b20c842768c976b8b9"},"schema_version":"1.0","source":{"id":"2608.05587","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.05587","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"arxiv_version","alias_value":"2608.05587v1","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.05587","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_12","alias_value":"2YONC357W5AD","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_16","alias_value":"2YONC357W5ADMFKF","created_at":"2026-08-07T00:50:09Z"},{"alias_kind":"pith_short_8","alias_value":"2YONC357","created_at":"2026-08-07T00:50:09Z"}],"graph_snapshots":[{"event_id":"sha256:3517e531d6aa231a887c6e3fc3f967d1fe9141a388ad0b6ae1961a058e054844","target":"graph","created_at":"2026-08-07T00:50:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2608.05587/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Autonomous mobile GUI agents require accurate action reflection for reliable long-horizon execution. Existing approaches rely on open-ended multimodal reasoning after each action, which is costly and poorly matched to the structured nature of GUI state transitions. We propose StepReflect, which formulates per-step GUI reflection as supervised structured prediction conditioned on explicit transition specifications and paired visual evidence. StepReflect is trained through a staged pipeline combining supervised fine-tuning, teacher-student distillation, and preference- and reward-based refinemen","authors_text":"Li Gu, Linqiang Guo, Tse-Hsun (Peter) Chen, Wei Liu, Yang Wang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-08-06T04:17:27Z","title":"StepReflect: Structured UI Transition Reflection for Mobile GUI Agents"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.05587","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3b0cc4f9a2e9ef11fe0e91c587a1a8097fd21a55f7bcd84614428e2220d5f01a","target":"record","created_at":"2026-08-07T00:50:09Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"6795272acf68c87a6d8832b37733286533615ba0fa83e43deddbb0b897283bc4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-08-06T04:17:27Z","title_canon_sha256":"15c2088dc82d4a1d220bafddc58af05f890a6f57763337b20c842768c976b8b9"},"schema_version":"1.0","source":{"id":"2608.05587","kind":"arxiv","version":1}},"canonical_sha256":"d61cd16fbfb740361545ff7f5ccae5f052613c4e88ec8bbfd39c0e404afcf368","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d61cd16fbfb740361545ff7f5ccae5f052613c4e88ec8bbfd39c0e404afcf368","first_computed_at":"2026-08-07T00:50:09.728919Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-07T00:50:09.728919Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oMKxd+mjt4bfBrH7dWcelEEhLSfr/snjB7bDVy4J0e8tB3xkBCu7XFjRGZwmvt0P4JvsAMdzyDpwSrSfLVZOAQ==","signature_status":"signed_v1","signed_at":"2026-08-07T00:50:09.730430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.05587","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3b0cc4f9a2e9ef11fe0e91c587a1a8097fd21a55f7bcd84614428e2220d5f01a","sha256:3517e531d6aa231a887c6e3fc3f967d1fe9141a388ad0b6ae1961a058e054844"],"state_sha256":"1783468be77574fd180bd32c95f54ecc07b5091208fd87a5d822a2921f31e48a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IGh91v8nj/G5iL1oNnR41ewYJV8P8OCpxcOvFg4wDKJTQOzM2Zblkn77mW0pGv/1u+sWLDaprtezZ3ZwYPQYAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:58:13.307477Z","bundle_sha256":"6ef7208ae414af22d7b3cf72c19b9d3e7024069e78497fd2a506b4b2f039a118"}}